Hellwig Load Pro mounting hardware kit for older GM C30/K30 and 3500 models provides zinc-plated hardware and brackets and is required with LP-25 and LP-35 helper spring kits to complete installation. These vehicle-specific kits allow a no-modification mount on GM C30/K30 and 3500/3500HD applications from the documented model range and include Hellwig's limited lifetime warranty for hardware and brackets.
Hellwig 01-07 Chevy Silverado 3500 Hardware Kit for Load Pro Multi Leaf 2500lb/3500lb Helper Springs